The sealer s purpose is to prevent water ice and dirt from getting into the joint and into the subgrade and to prevent intrusion from below the slab including of radon.
Joint sealer for concrete expansion joints.
Removing old material from a concrete expansion joint concrete expansion joints are also known as isolation joints.
The system allows irregular and high movement in more than one direction whilst maintaining a high quality seal.
Find concrete expansion joints at lowe s today.
A sealer is soft and able to accommodate the concrete slab s expansion and contraction.
Sikaflex 1csl flexible self leveling polyurethane concrete expansion joint and crack sealant kit 3 29 oz tube limestone awf pro heavy duty 29 oz caulk gun 2 packs 3 4 x15 backer rod 3 5 out of 5 stars 4 78 42 78 42.
Sikaflex 1csl flexible self leveling polyurethane concrete expansion joint and crack sealant kit 3 29 oz tube limestone awf pro heavy duty 29 oz caulk gun 2 packs 3 4 x15 backer rod 3 5 out of 5 stars 4 78 42 78 42.
Cracks can allow water to seep under the concrete creating a void that can cause the concrete to sink.
So let s get started and seal your concrete expansion joint so it s protected from the effects of weather.
Why joints need quality sealant expansion joints allow space in which concrete can contract and expand without causing cracks.
When it comes to concrete floors a concrete joint sealer will protect the joint from damage caused by heavy equipment being driven and or rolled over the expansion joint chipping and cracking the edges which eventually leads to concrete joint failure.
Sealers can also improve the appearance of floors and slabs.
However joints need to be filled with soft pliable material so that rainwater can t get under the concrete which could cause the construction to sink or heave.
Like i said in the intro these joints allow concrete pads to expand and contract during freeze thaw cycles.
The caulk will seal the expansion joint and keep water out.
The pourthane joint sealant line is designed for sealing concrete and metal joints in a variety of applications including sidewalks balconies pavement terraces warehouses factories civil structures plazas and pitch pans.